Test Background
High temperature pressure test method and cracking resistance test of polyvinyl chloride mixture, suitable for insulation and sheathing of polyvinyl chloride materials for wires, cables and optical cables.
Zhongke Testing Reliability Experiment Center has environmental testing capabilities for various cables and optical cables, and provides professional high-temperature pressure testing and cracking resistance testing services for polyvinyl chloride hybrid materials.
Scope of tests
The most common types of insulation and sheathing materials for power distribution and communication cables and optical cables, wires and cords, including polymer insulation and sheathing materials for ship and offshore cables and optical cables, as well as insulation and sheathing materials for elastomers, polyvinyl chloride, polyethylene, polypropylene, etc.
Test method
High temperature pressure test: insulation high temperature pressure test, sheath high temperature pressure test
Crack resistance test: insulation thermal shock test, sheath thermal shock test
Test standard:
GB/T 2951.31-2008 General test methods for insulation and sheath materials of electric and optical cables Part 31: Special test methods for polyvinyl chloride mixtures—High temperature pressure test—Crack resistance test
GB/T 2951.11-2008 General test methods for insulation and sheath materials of electric and optical cables Part 11: General test methods—Measurement of thickness and overall dimensions—Mechanical properties test
IEC 60811-3-1 Specific test methods for PVC insulation and sheathing compounds for electrical and optical cables High temperature pressure test Crack resistance test
KS C IEC 60811-3-1-2002 General test methods for cable insulation and sheath materials. Part 3: Special methods for polyvinyl chloride Section 1: Pressure test at high temperature Crack resistance test
GOST R IEC 60811-3-1-1994 Special test methods for PVC insulation and sheathing compounds for electrical and optical cables High temperature pressure test Crack resistance test